Objectives: Fatigue is very common in patients with breast cancer. Developing appropriate measurement tools to assess fatigue is critical. The aim of this study is to evaluate the psychometric properties of the Chinese version of Multidimensional Fatigue Inventory-10 (MFI-10) in patients with breast cancer. Design: A cross-sectional validation study. Methods: The MFI-10 was translated in Chinese using a combination of expert assessment and cross-cultural adaptations. The Chinese version of MFI-10 was then administered to 402 patients with breas...